Thread (2 messages) flat view 2 messages, 2 authors, 2021-11-25

Re: [PATCH v3] powerpc/code-patching: Improve verification of patchability

From: Michael Ellerman <hidden>
Date: 2021-11-25 09:49:25
Also in: lkml

On Mon, 15 Nov 2021 11:12:22 +0100, Christophe Leroy wrote:
Today, patch_instruction() assumes that it is called exclusively on
valid addresses, and only checks that it is not called on an init
address after init section has been freed.

Improve verification by calling kernel_text_address() instead.

kernel_text_address() already includes a verification of
initmem release.

[...]
Applied to powerpc/next.

[1/1] powerpc/code-patching: Improve verification of patchability
      https://git.kernel.org/powerpc/c/8b8a8f0ab3f5519e45c526f826a655817486c5bb

cheers
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